Epson Aculaser C9200N - Monocolor> Uneven Image

EPSON AcuLaser C9200N Revision D
Troubleshooting Image quality problem 145
Confidential
<MONOCOLOR>
UNEVEN IMAGE
A. Typical Faulty Images
B. Troubleshooting Procedure
Step Section Check Item Result Action
1 Toner Cartridge The Toner Cartridge of every
color is surely installed.
NO Re-install it.
2 PH Unit PH Unit is surely installed. NO Re-install it.
3 Uneven pitch occurs in 3.0
mm pitch.
YES Replace PH Unit Stopper.
(p.175)
4 Toner Cartridge There is any stain or breakage
on the Drive section of the
Toner Cartridge.
YES Clean/replace the Toner
Cartridge.
5 Photoconductor
Unit
There is any stain, damage or
abrasion on the PC drum.
YES Change Photoconductor Unit.
(p.162)
6 2nd Transfer
Roller
There is any stain, damage,
deformation or abrasion on the
Transfer roller.
YES Replace the 2nd Transfer
Roller. (p.169)
7 Fusing Unit There is any stain, damage,
deformation or abrasion on the
Roller and Drive section of the
Fusing Unit.
YES Replace the Fusing unit.
(p.162)
8 The problem has been
eliminated through the check
of step 7.
NO Change Transfer Belt Unit.
(p.162)
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